diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 12a0757..1d7502f 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1006,16 +1006,11 @@ struct drm_i915_gem_object { unsigned int has_aliasing_ppgtt_mapping:1; unsigned int has_global_gtt_mapping:1; + unsigned int has_dma_mapping:1; - struct page **pages; + struct sg_table *pages; int pages_pin_count; - /** - * DMAR support - */ - struct scatterlist *sg_list; - int num_sg; - /* prime dma-buf support */ struct sg_table *sg_table; void *dma_buf_vmapping; @@ -1342,6 +1337,15 @@ void i915_gem_release_mmap(struct drm_i915_gem_object *obj); void i915_gem_lastclose(struct drm_device *dev); int __must_check i915_gem_object_get_pages(struct drm_i915_gem_object *obj); +static inline struct page *i915_gem_object_get_page(struct drm_i915_gem_object *obj, int n) +{ + struct scatterlist *sg = obj->pages->sgl; + while (n >= SG_MAX_SINGLE_ALLOC) { + sg = sg_chain_ptr(sg + SG_MAX_SINGLE_ALLOC - 1); + n -= SG_MAX_SINGLE_ALLOC - 1; + } + return sg_page(sg+n); +} static inline void i915_gem_object_pin_pages(struct drm_i915_gem_object *obj) { BUG_ON(obj->pages == NULL); |
